64649389

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1429}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 77425920

約数和(自身を除く): 12776531

約数列:

[1, 7, 23, 161, 281, 1429, 1967, 6463, 10003, 32867, 45241, 230069, 401549, 2810843, 9235627, 64649389]

約数ペア:

[(1, 64649389), (7, 9235627), (23, 2810843), (161, 401549), (281, 230069), (1429, 45241), (1967, 32867), (6463, 10003)]